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In Another World, My Sister Stole My Name is an isekai shojo manga series that relies upon both love and betrayal. After all, Ichika ended up being something of a chosen one who could communicate with another world through a mirror, she told her sister Karen about it, her sister ended up disappearing there, and when Ichika does wind up spirited away she learns her sister stole her identity. There are some serious secrets and mysteries. Now with the second volume, even more are coming up and suspicious behavior is pretty rampant, but Ichika doesn’t seem to be catching on in the same way us readers likely are.

Editor’s Note: There will be spoilers for volume 1 and light spoilers for volume 2 of the In Another World, My Sister Stole My Name manga below. 1h313h

As a quick reminder, the way mechanics worked in In Another World, My Sister Stole My Name means that there was a time difference between the magic mirror tying the worlds together. Ichika talked to a young prince named Cecil through it. When her sister Karen disappeared, she appeared in that kingdom, became grown-up Cecil’s fiance, and is a Saint due to possessing remarkable light magic. When Ichika came through the portal, she learned Karen claimed to be her and is going by “Ichika” there. She declared the real Ichika “Karen.” This means Ichika is now betrothed to the prince’s younger brother Noah, and he seems quite displeased about things. 

The end of the first volume of revealed plots are afoot. Someone targeted Ichika with a curse. Noah sensed it and got in the way. Ichika, as befitting the actual chosen one, used an incredible amount of light magic to save him and is now acknowledged as a second Saint.

This means that now so many suspicious and shady dealings are coming up in In Another World, My Sister Stole My Name, but I find it a bit frustrating that Ichika doesn’t seem to realize it. Noah is clearly hiding something, and as the volume goes on it is obvious he either knows or realized facts critical to Ichika and her situation. Since he’s her fiance and they spend an extended period of time together in these chapters, it’s a little frustrating that she’s not figuring out something is awry. I suppose you could use the excuse that she’s figuring out her magic powers and on her first Saint assignment, but still.

What’s going on with people around Ichika, Noah, and Cecil is equally obvious. Something is absolutely awry with Karen. It’s clear from the first volume. However, Ichika isn’t doing any sort of investigation. We see some of it begin to pop up here, now that they’re in close proximity and Ichika is a second Saint. But I’d have loved more awareness from our main heroine. Also, the only person who seems suspicious of the queen is Noah, even with some rather notable scenes in both volumes, and I’m surprised there isn’t more investigation into the curse directed at Ichika and Noah. 

The scenario Kotoko constructed is interesting for a reader. Because of the narrative decisions, we’re aware of all these webs, pitfalls, and machinations. However, I find it leaves me a little frustrated because I am seeing them, but Ichika isn’t. Instead, by the end of the volume, I get the impression she’s more upset by the fact that things are tense between Cecil and Karen, Karen and her, Noah and her, Noah and Cecil, and just… everyone. When really, I’m thinking, “Why aren’t you more concerned about your sister’s identity theft, the possible sabotage, and the attempted murder?”

To be honest, I’m still not sure how I feel about a series where the female lead is so clueless that she’s not able to see how suspicious everyone around her is acting. What’s keeping me reading the In Another World, My Sister Stole My Name manga is more of a desire to see everything blow up and issions come out, rather than watch Ichika get her happy ending. Because it’s clear there are some revelations that Kotoko is incredibly close to sharing, but the author is just building a little more anticipation in the meantime. 

Volume 2 of In Another World, My Sister Stole My Name is available now, and Yen Press will release volume 3 of the manga on July 22, 2025. 

The post In Another World, My Sister Stole My Name Keeps Piling on Suspicious Situations appeared first on Siliconera.

Yen Press picks up quite a few isekai manga and manhwa, but they can all manage to feel different. In Another World, My Sister Stole My Name is one of the latest, with volume 1 out now, and it’s a manga with a compelling mystery. Siblings end up spirited away to another world at different times. However, once our heroine Ichika gets there, constant questions about her, her sister, the two princes they’re set to marry, and the world keep coming up. It constantly keeps you wondering what’s going on, preparing all these threads for us to follow up on in later volumes. 

Editor’s Note: There will be mild spoilers for the first volume of the In Another World, My Sister Stole My Name manga. 129s

Before Ichika and her sister Karen ever get spirited away to another world in this isekai manga, we already know something is up in In Another World, My Sister Stole My Name. Ichika found a magical mirror, and it is one which allows her to communicate with a person in that world. It’s a young prince named Cecil. They share stories about themselves and their world together. It’s a bit of an unusual situation though, since he’s a child and she’s a teenager and later adult! Ichika kept it mostly a secret, but told her little sister Karen everything. 

However, one day the mirror and Karen disappeared. Everyone was distraught. And then… Ichika found herself teleported to that other world as well. It turns out that in addition to the spacial difference between realms, there’s a discrepancy with regards to time too. So Prince Cecil is a grown man. It’s also the sort of manga where isekai situations are normal, with the people who come over being accepted among the nobility due to them having the unique ability to use Hallowed Magic. 

The first mystery, right off the bat, is Karen stealing Ichika’s identity and name in In Another World, My Sister Stole My Name. From what we see in the early chapters in their “home” world, Karen and Ichika seemed close. The two seemed to get along rather well. So yes, Karen going off of what she knew about Ichika’s stories makes sense. But why go to such lengths? Why would there be such animosity? Especially as we start to see the treatment between the two sisters throughout this first volume. 

The second involves the two princes. There’s Cecil, who we know about. However, after being brought over to the other world, Ichika is promptly engaged to his brother Prince Noah. However, Noah despises not only Ichika’s sister Karen, but Ichika herself. The venomous nature of it is so curious. There are hints offered throughout, so some of the future threads are teased even in this first volume. But the fact that we’re confronted with that kind of attitude from the start invites curiosity. 

But the nature of this isekai story and Ichika’s summoning are the main mysteries in the In Another World, My Sister Stole My Name manga. The mirror is a clear tie between the worlds. Once Ichika is there, we learn about past events and travelers. This is a regular occurrence, which is curious. However, so is the fact that Ichika is even there. Karen already had the mirror and was summoned. That artifact was missing. How did Ichika end up there? Why did she get pulled through as well? What will happen now that two Hallowed Saints capable of using the magic of saviors are there?

It really makes me wish we knew more about the future of In Another World, My Sister Stole My Name, as due to the age of the manga and circumstances, only the first volume of this isekai story is available. Yen Press doesn’t have a release window for the second yet. Given how many cliffhangers and unresolved questions the first volume introduces, I’m finding it so difficult to know I’ll need to wait for more.

Volume 1 of In Another World, My Sister Stole My Name is available now via Yen Press, and there’s no release date for the second volume of the manga yet.

The post In Another World, My Sister Stole My Name Manga Builds a Mystery appeared first on Siliconera.